JP2605286Y2 - Handle fixing device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handle fixing device for a folding bicycle or the like.

[0002]

2. Description of the Related Art When arranging bicycles side by side in a bicycle parking lot or the like, there is a drawback that a usual fixed type handlebar or post takes a large width. In addition, the same drawback occurs in a folding vehicle that is divided into two parts at the center of the frame and is horizontally folded.

In order to deal with such a problem, the handle is set to 9
If rotated horizontally by 0 °, the disadvantages are eliminated, but the fixing is uncertain and the backlash is likely to occur (see Japanese Utility Model Application Laid-Open No. 2-123489).
(See Japanese Unexamined Patent Publication (Kokai) No. 48-27401), and it is difficult to fix the handlebar at 90 ° to the running direction, and it takes time to turn the bell many times when fixing.
And Japanese Patent Application Laid-Open Publication No. 2000-157, and various problems.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned drawbacks of the conventional handle of a folding bicycle, and has as its object to provide a handlebar fixing device in which a handlebar is fixed without backlash only by turning a lever half a turn. With the goal.

[0005]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a mechanism in which a lug portion to which a handlebar is attached rotates with respect to a handlepost by lever operation, and a shaft contact portion is provided on a part of the outer periphery of the handlepost. At the same time, a lever having an engaging member which is eccentrically supported by the rack portion and is detachably engaged with the shaft contact portion is provided, and by rotation of the lever,
The distance between the shaft contact portion and the locking member is changed.

[0006]

[Function] By rotating the lever, the shaft contact portion and the locking member, on the one hand, firmly fix the handle post, the lug portion and the handle bar, and on the other hand, the handle post and the rack portion become free. , Will rotate freely.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.

In the drawing, reference numeral 1 denotes a handle post connected to a front fork and a frame of a bicycle, and 2 denotes a handle bar. By pulling up a bracket 5 rotating about a pin 4 by a tightening bolt 3, the handle bar is pulled up. 2 is fixed to the lug portion 6. The bracket 5 has a groove 5a at the center as shown in FIG. 12, and the handlebar 2 has a projection 2a fitted into the groove 5a as shown in FIG.
Thereby, when the fastening bolt 3 is loosened, the handlebar 2 has a function of rotating stably. Further, since there is no groove in the fitting portion of the lug portion 6 to which the handlebar 2 is fitted, the projection 2a does not rotate more than a certain amount, and is a safety device.

On the other hand, the lug portion 6 has a hole for rotatably inserting the handle post 1 into the handle post 1, and the upper surface of the hole is closed by a lid 7. As shown in FIG. 5, the lid 7 has a flange shape, and a small diameter portion 7a accommodates a wall 6a provided at the inner diameter of the hole of the lug portion 6, and the handle post 1
Is fixed to the upper surface of the handle post 1 by bolts 8 for fixing the front post to the front fork. The wall 6a is cut out by 90 ° as shown in FIG. 10, and the projection 7b provided on the lid 7 rotates by that angle. Therefore, the handlebar 2 rotates stably up to 90 ° from the running state, and positioning is easy.

Reference numeral 9 denotes a lever for detachably fixing the lug portion 6 to the handle post 1, and reference numeral 10 denotes a mounting shaft for rotatably supporting the lever 9 to the lug portion 6. Further, the handle post 1 is cut out so as to match the outer diameter of a ring 11 as a locking member provided on the side of the lever 9 that is supported by the mounting shaft 10, that is, as shown in FIG. The shaft contact portion 1a has an arc shape when viewed from the side and a linear shape when viewed from above. Further, the lever 9 has a hole 9a in the center where the mounting shaft 10 is inserted.
7, a ring 11 is locked so as to be rotatably disposed on both sides of the lever 9 as shown in FIG.
It is inserted into the member mounting portion 9c . As shown in FIG. 6, the center of the hole 9a is eccentric, the distance from the outer diameter of the ring 11 is a> b, and the depth C of the shaft contact portion 1a is C.
> (Ab).

Therefore, when the handle 9b of the lever 9 is on the lower side, the eccentric ring 11 is pressed against the shaft contact portion 1a (FIG. 2), and when the handle 9b is on the upper side, the ring 11 is in contact with the shaft. The portion 1a does not interfere (FIGS. 3 and 4), and the lug portion 6 becomes rotatable with respect to the handle post 1.

Here, as shown in FIG. 10, the mounting shaft 10 is fitted in the hole 6b and the screw portion 6c of the lug portion 6, and is double-locked by the nut 12, so that the lever 9
It is configured not to rotate with the rotation of. Further, the eccentric portion 10a of the fitting portion with the lever 9 is eccentric by a dimension d as shown in FIG.
The pressing force of the lever 9 against the handle post 1 and the rotational force of the lever 9 are adjusted.

FIGS. 14 to 20 show a second embodiment, in which the same parts as those in the above embodiment are denoted by the same reference numerals. In the drawing, 1 is a handle post, 2 is a handle bar, 3 is a tightening bolt, 4 is a screw-in pin, 5 is a bracket, 6 is a lug, and a handle 2 is provided with a U-shaped stopper 2b. It functions as the projection 2a of the first embodiment. Similarly, the projection 1b provided on the handle post 1 rotates and moves within the recess 6a at the lower end of the rug 6, and serves as the projection 7b and the wall 6a of the first embodiment.

FIG. 16 is a view of the handle post portion of the second embodiment. As shown in FIG. 16, the cutting allowance is also C, but the side surface is not a circular arc but a linear contact plane. The contact portions 1a are provided at two positions shifted by 90 °. A pressing member 13 as a locking member having a flat surface 13a fitted into the shaft contact portion 1a and a hole 13b into which the outer diameter portion of the lever 9 is inserted is provided. Due to the eccentricity (ab) caused by the difference between the centers of the circles, the handle post 1 fixed to the bicycle frame and the lug are pressed or released against the shaft abutting portion 1a as the lever 9 rotates. Part 6 and handlebar 2
Is fixed at the running position and the 90 ° bending position.

By making the shaft contact portion 1a flat as described above, the contact area, particularly the area of the end portion, can be widened, and the surface pressure is reduced and the durability is improved.

In FIGS. 14 and 15, reference numeral 14 denotes a fixing bracket having a hole formed in accordance with the shape of the head of the octagonal mounting shaft 10. The fixing bracket 14 is a screw 15
As a result, since the mounting shaft 10 does not rotate even when the lever 9 rotates, the assembly can be performed by absorbing machining errors and the like caused by adjusting the eccentric position of the eccentric shaft 10a. Easy and reliable.

FIGS. 21 to 23 show a third embodiment. In this embodiment, the press fitting 13 is composed of two parts. That is, the shaft contact portion 1a
And a receiving body 16 having a hole 16a to be fitted to the mounting shaft 10 and a screw 16b to be fitted to the pressing body 15. The pressing body 15 has a female screw portion 15b which is screw-fitted to the screw 16b, and is subjected to a coating treatment for preventing loosening.

In this configuration, the distance between the center of rotation of the eccentric portion and the seat post can be adjusted by rotating the pressing body 15.
0a is not required, so the nut 12 and
Also do not need. Also, there is an advantage that the adjustment allowance can be made larger than the eccentric structure of the eccentric shaft 10a.

[0019]

As is apparent from the above description, according to the present invention, the handlebar and the lugged portion are fixed to the handle post by bringing the eccentric locking member of the lever into contact with the shaft contact portion of the handle post. By doing so,
There is obtained an effect that the operation is easy and the operation is easy because the lever is released with a half rotation of the lever.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an entire configuration of a handle fixing device according to an embodiment of the present invention.

FIG. 2 is a side view of the device.

FIG. 3 is a perspective view showing a state in which the rug is rotated by 90 ° in the apparatus.

FIG. 4 is a side view of the same.

FIG. 5 is a side view of a handle post and a lid in the device.

FIG. 6 is a side view of a lever in the device.

FIG. 7 is a rear view of the same.

FIG. 8 is a sectional view taken along line AA of FIG. 5;

9 is a sectional view taken along line BB of FIG.

FIG. 10 is a plan view of a rug in the apparatus.

11 is a sectional view taken along line CC of FIG. 10;

FIG. 12 is a plan view of a single bracket of the device.

FIG. 13 is a partial perspective view of a handle bar in the device.

FIG. 14 is a plan view of a main part of the handle fixing device according to the second embodiment of the present invention;

FIG. 15 is a side view of the same.

FIG. 16 is a side view of a handle post and a lid in the device.

FIG. 17 is a side view of a lever in the device.

FIG. 18 is a rear view of the same.

FIG. 19 is a perspective view of a press fitting in the apparatus.

20 is a sectional view taken along line DD of FIG.

FIG. 21 is a front view showing the lever of the fixing device according to the third embodiment of the present invention;

FIG. 22 is a side view of the same.

FIG. 23 is a perspective view of a press fitting of the apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Handle post 1a Shaft contact part 2 Handle bar 6 Lugging part 9 Lever 9a Hole 10 Mounting shaft 11 Ring 13 Pressing fitting 14 Fixing fixture 15 Pressing body 16 Receiver

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Hei 1-99788 (JP, U) Japanese Utility Model Hei 2-44595 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB name) B62K 21/24 B62K 15/00

Claims (2)

(57) [Scope of request for utility model registration] 1. A hand in which a lug portion is rotatably supported.
And the handle post and a part of the outer periphery of the handle post.
Shaft contact portion, and a lever rotatably supported by the lug portion.
A bar, and the lever includes a locking member, and the locking
The member is a locking member eccentric with respect to the center of rotation of the lever.
The lever is rotated when the lever is inserted into the mounting portion.
That the locking member is detachable from the shaft contact portion.
A special handle fixing device. 2. The handle fixing device according to claim 1, wherein :
A distance between the center of rotation of the lever and the shaft contact portion.
Handle fixed device characterized by adjustable release
Place.